On mouth thrush, Thrush often goes away on its own in a few days. Your doctor may or may not prescribe antifungal medicine to treat thrush. If you have a yeast infection on your nipples, your provider may recommend an over-the-counter or prescription antifungal cream. so see a doctor first

Mouth thrush is a type of yeast infection that typically appears as white or yellow, irregularly shaped patches or sores that coat your baby's gums and tongue along with the sides and roof of the mouth. Thrush is caused by a yeast or fungus called Candida albicans

One of the primary reasons for nipple peeling caused by breastfeeding is simply that the skin of your nipples is very sensitive. They're not used to the level of abrasion and stimulation that occurs when breastfeedin